I Downloaded It, But Can't Play (Episode 1)

Hey I just downloaded my copy of Back to the Future: The Game Episode 1, but when I launch it I get this window with all the episodes listed on it. I clicked on Episode 1 and then clicked play yet it won't launch the game. Someone please help me.

Hey I fixed it a few hours ago, I've been playing for a while, and what you need to do is run it as Administrator. To do this, in Windows, you need to right click on the icon and it should be one of the avaliable options.

Just downloaded first episode for free but couldn't play it either.My file was called "BackToTheFuture101 DRM 15.15" or something like that so i just deleted that last part so my file is just called "BackToTheFuture101" now and it worked. I have Mac OS X

UPDATE:After a few hours of troubleshooting i figured out that the game didn't like AirfoilInject3.dll, a file associated with Airfoil. So i uninstalled Airfoil and now i can play! The game looks great!

Just downloaded first episode for free but couldn't play it either.My file was called "BackToTheFuture101 DRM 15.15" or something like that so i just deleted that last part so my file is just called "BackToTheFuture101" now and it worked. I have Mac OS X